That's one of the things I'm kind of digging about the announced cast, they all have an OT "look" to their faces. Throw some makeup and weird plastic ears on horseface Driver and he'll fit right in to the cantina.

Adam Driver doesn't need the prosthetic ears. Have you seen his REAL ears?

Max Von Sydow does seem to be a big question mark here. He wasn't present for the table read, or at least for the photo. And I think he could easily fill two different types of roles: the stern Imperial oligarch or Commander, or that of the Spirit Guide role that we saw in characters like the OT Obi-Wan.